


"Our world’s caves are places of wonder, mystery and majestic beauty. Show caves around the world are embracing their role in protecting and preserving caves and providing a place for people to learn about these special, natural, cultural and historical resources.
Show caves also play another important nature tourism role of sustainable economic development, providing jobs, and helping the economy of their regions.”
Frasassi/Genga-Italy (May 25, 2025) — Every year on June 6, the International Show Caves Association (ISCA) proudly celebrates the International Day of Caves and the Subterranean World, an occasion dedicated to raising awareness about the beauty, importance, and conservation of caves and subterranean landscapes. In 2025, ISCA is thrilled to support a variety of new and ongoing initiatives aimed at making this global celebration more impactful than ever.